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configure.ac
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dnl Copyright (C) 2008-2015 D. V. Wiebe
dnl
dnllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
dnl
dnl This file is part of the GetData project.
dnl
dnl GetData is free software; you can redistribute it and/or modify it under
dnl the terms of the GNU Lesser General Public License as published by the
dnl Free Software Foundation; either version 2.1 of the License, or (at your
dnl option) any later version.
dnl
dnl GetData is distributed in the hope that it will be useful, but WITHOUT
dnl ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
dnl FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
dnl License for more details.
dnl
dnl You should have received a copy of the GNU Lesser General Public License
dnl along with GetData; if not, write to the Free Software Foundation, Inc.,
dnl 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
dnl
m4_include([m4/version.m4])
AC_INIT([GetData],[getdata_pkg_version],
[https://github.com/ketiltrout/getdata/issues],[],
[http://getdata.sourceforge.net/])
AC_COPYRIGHT(
[Parts of this program are copyright (C) 2008-2015 D. V. Wiebe.
These parts may be redistributed and/or modified under the terms of the GNU
Lesser General Public License as published by the Free Software Foundation;
either version 2.1 of the License, or (at your option) any later version.
See the file COPYING for details.]
)
AC_DEFINE([GETDATA_MAJOR], [getdata_major], [ The major version number ])
AC_DEFINE([GETDATA_MINOR], [getdata_minor], [ The minor version number ])
AC_DEFINE([GETDATA_REVISION], [getdata_revision], [ The revision number ])
AC_DEFINE([GETDATA_VERSION_SUFFIX], ["getdata_extra"],
[ Other qualifiers on the version number triplet (if any) ])
AC_SUBST([GETDATA_MAJOR], [getdata_major])
AC_SUBST([GETDATA_MINOR], [getdata_minor])
AC_SUBST([GETDATA_REVISION], [getdata_revision])
AC_SUBST([GETDATA_VERSION_SUFFIX], [getdata_extra])
AC_SUBST([GETDATA_LIB_VERSION], [getdata_version])
AC_PREREQ([2.71])
AC_CONFIG_MACRO_DIR([m4])
LT_PREREQ([2.2.7b])
AC_ARG_VAR([BUILDCC],
[C compiler command targetting the build system ]
[(only needed if cross-compiling)])
dnl export version information from m4/version.m4
AC_SUBST(GETDATA_IFACE_VERSION, [getdata_iface_version])
AC_SUBST(GETDATA_IMPL_REVISION, [getdata_impl_revision])
AC_SUBST(GETDATA_IFACE_AGE, [getdata_iface_age])
getdata_min_iface=`expr ${GETDATA_IFACE_VERSION} - ${GETDATA_IFACE_AGE}`
AC_SUBST(GETDATA_MIN_IFACE, [$getdata_min_iface])
AC_SUBST(GETDATAXX_VERSION, [getdataxx_version])
AC_SUBST(FGETDATA_VERSION, [fgetdata_version])
AC_SUBST(F95GETDATA_VERSION, [f95getdata_version])
AC_SUBST(MATLABGETDATA_VERSION, [matlabgetdata_version])
AC_CONFIG_SRCDIR([src/getdata.c])
AC_CONFIG_HEADERS([src/gd_config.h])
dnl Features
BINDINGS_BUILT=
BINDINGS_LEFT=
ENCODINGS_BUILT=" raw ascii sie"
ENCODINGS_LEFT=
PRIVATE_LIBS=
echo "*** Checking GetData configuration"
echo
dnl Build/Host triplets
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
dnl Utils
AC_MSG_CHECKING([whether to build the utilities])
AC_ARG_ENABLE([util], AS_HELP_STRING([--disable-util],
[don't build or install the utilities in the util/ ] dnl'
[subdirectory (checkdirfile and dirfile2ascii)]),
[
if test "x${enableval}" = "xno"; then
make_util=no
else
make_util=yes
fi
], [ make_util=yes ])
AC_MSG_RESULT([$make_util])
dnl Legacy API
AC_MSG_CHECKING([whether to include the legacy API])
AC_ARG_ENABLE([legacy-api], AS_HELP_STRING([--enable-legacy-api],
[include the legacy API wrapper in the library]), dnl'
[
case "${enableval}" in
no) include_legacy_api="no" ;;
*) include_legacy_api="yes" ;;
esac
], [ include_legacy_api="no" ])
AC_MSG_RESULT([$include_legacy_api])
if test "x$include_legacy_api" != "xno"; then
DEFINE_GD_LEGACY_API="#define GD_LEGACY_API"
else
DEFINE_GD_LEGACY_API="/* #undef GD_LEGACY_API */"
fi
AC_SUBST([DEFINE_GD_LEGACY_API])
dnl debugging
AC_ARG_ENABLE([debug], AS_HELP_STRING([--enable-debug],
[enable debugging messages]),
[
case "${enableval}" in
yes) enable_debug="yes" ;;
*) enable_debug="no" ;;
esac
], [ enable_debug="no" ])
AC_MSG_CHECKING([whether to enable debugging messages])
AC_MSG_RESULT([$enable_debug])
if test "x$enable_debug" = "xyes"; then
AC_DEFINE([GETDATA_DEBUG], [],
[ Define to enable debugging messages ])
GETDATA_DEBUG=1
else
GETDATA_DEBUG=0
fi
AC_SUBST([GETDATA_DEBUG])
dnl C99 stuff
AC_ARG_ENABLE([ansi-c], AS_HELP_STRING([--enable-ansi-c],
[use ANSI C (C89) work-arounds for C99 code]),
[
if test "x${enableval}" != "xno"; then
disable_c99="yes";
else
disable_c99="no";
fi
], [disable_c99="no"])
AC_MSG_CHECKING([whether to build in ANSI C compliance mode])
AC_MSG_RESULT([$disable_c99])
dnl large tests
AC_ARG_ENABLE([large-tests], AS_HELP_STRING([--disable-large-tests],
[don't run tests that write large amounts of temporary ]dnl'
[data (>1MB)]),
[
if test "x${enableval}" = "xno"; then
run_large_tests="no";
else
run_large_tests="yes";
fi
], [run_large_tests="yes"])
AC_MSG_CHECKING([whether to run large tests])
AC_MSG_RESULT([$run_large_tests])
if test "x$run_large_tests" = "xno"; then
AC_DEFINE([NO_LARGE_TESTS], [1], [ Define to 1 to disable tests that ]
[write large quantities (>1MB) of temporary data])
fi
dnl bindings, globally
make_cxxbindings="yes"
make_f77bindings="yes"
make_pybindings="yes"
make_idlbindings="yes"
make_perlbindings="yes"
make_matlabbindings="yes"
make_phpbindings="yes"
AC_ARG_ENABLE([bindings], AS_HELP_STRING([--disable-bindings],
[don't build any bindings; just build the C library]), dnl'
[
if test "x${enableval}" = "xno"; then
make_cxxbindings="no"
make_f77bindings="no"
make_pybindings="no"
make_idlbindings="no"
make_perlbindings="no"
make_matlabbindings="no"
make_phpbindings="no"
fi
])
dnl C++ bindings
AC_ARG_ENABLE([cplusplus], AS_HELP_STRING([--disable-cplusplus],
[don't build the C++ bindings (libgetdata++)]), dnl'
[
case "${enableval}" in
no) make_cxxbindings="no" ;;
*) make_cxxbindings="yes" ;;
esac
])
AC_MSG_CHECKING([whether to include the C++ bindings])
AC_MSG_RESULT([$make_cxxbindings])
dnl Fortran 77 bindings
AC_ARG_ENABLE([fortran], AS_HELP_STRING([--disable-fortran],
[don't build the Fortran 77 bindings (libfgetdata) nor ]dnl'
[the Fortran 95 bindings (libf95getdata)]),
[
case "${enableval}" in
no) make_f77bindings="no" ;;
*) make_f77bindings="yes" ;;
esac
])
dnl Fortran 95 bindings
AC_ARG_ENABLE([fortran95], AS_HELP_STRING([--disable-fortran95],
[don't build the Fortran 95 bindings (libf95getdata)]),dnl'
[
case "${enableval}" in
no) make_f95bindings="no" ;;
*) make_f95bindings="yes" ;;
esac
], [ make_f95bindings="$make_f77bindings" ])
AC_MSG_CHECKING([whether to include the Fortran 95 bindings])
AC_MSG_RESULT([$make_f95bindings])
if test "x$make_f77bindings$make_f95bindings" = "xnoyes"; then
make_f77bindings="yes (required by Fortran 95 bindings)"
fi
AC_MSG_CHECKING([whether to include the Fortran 77 bindings])
AC_MSG_RESULT([$make_f77bindings])
dnl IDL bindings
AC_ARG_ENABLE([idl], AS_HELP_STRING([--disable-idl],
[don't build the Interactive Data Language (IDL) bindings ]dnl'
[(IDL_GetData)]),
[
case "${enableval}" in
no) make_idlbindings="no" ;;
*) make_idlbindings="yes" ;;
esac
])
AC_MSG_CHECKING([whether to include the IDL bindings])
AC_MSG_RESULT([$make_idlbindings])
dnl MATLAB bindings
AC_ARG_ENABLE([matlab], AS_HELP_STRING([--disable-matlab],
[don't build the MATLAB bindings]),dnl'
[
case "${enableval}" in
no) make_matlabbindings="no" ;;
*) make_matlabbindings="yes" ;;
esac
])
AC_MSG_CHECKING([whether to include the MATLAB bindings])
AC_MSG_RESULT([$make_matlabbindings])
dnl Perl bindings
AC_ARG_ENABLE([perl], AS_HELP_STRING([--disable-perl],
[don't build the Perl bindings (GetData)]),dnl'
[
case "${enableval}" in
no) make_perlbindings="no" ;;
*) make_perlbindings="yes" ;;
esac
])
AC_MSG_CHECKING([whether to include the Perl bindings])
AC_MSG_RESULT([$make_perlbindings])
dnl Python bindings
AC_ARG_ENABLE([python], AS_HELP_STRING([--disable-python],
[don't build the Python bindings (pygetdata)]),dnl'
[
case "${enableval}" in
no) make_pybindings="no" ;;
*) make_pybindings="yes" ;;
esac
])
AC_MSG_CHECKING([whether to include the Python bindings])
AC_MSG_RESULT([$make_pybindings])
dnl PHP bindings
AC_ARG_ENABLE([php], AS_HELP_STRING([--disable-php],
[don't build the PHP bindings]),dnl'
[
case "${enableval}" in
no) make_phpbindings="no" ;;
*) make_phpbindings="yes" ;;
esac
])
AC_MSG_CHECKING([whether to include the PHP bindings])
AC_MSG_RESULT([$make_phpbindings])
dnl Modules
AC_ARG_ENABLE([modules], AS_HELP_STRING([--disable-modules],
[put support for external encodings directly in the core GetData
library, instead of in dynamically loaded modules]),
[
case "${enableval}" in
no) use_modules="no" ;;
*) use_modules="yes" ;;
esac
], [ use_modules="yes" ])
AC_MSG_CHECKING([whether to enable getdata modules])
AC_MSG_RESULT([$use_modules])
if test "x$use_modules" != "xno"; then
AC_DEFINE([USE_MODULES], [], [ Define if building with modules ])
fi
AC_ARG_WITH(module-dir, AS_HELP_STRING([--with-module-dir=DIR],
[if building modules, install them in DIR. This is ignored if
--enable-modules isn't specified [default: LIBDIR/getdata]]),dnl'
[
case "${withval}" in
no) moduledir="$libdir/getdata" ;;
*) moduledir="${withval}" ;;
esac
], [ moduledir="$libdir/getdata" ])
AC_SUBST([moduledir])
dnl LTDL
AC_ARG_WITH([ltdl], AS_HELP_STRING([--with-ltdl=PREFIX],
[if building modules, use the GNU ltdl library located in
PREFIX [default: autodetect]]),
[
case "${withval}" in
no) ltdl_prefix= ;;
*) ltdl_prefix="${withval}" ;;
esac
], [ ltdl_prefix= ])
dnl Kill switch for external libraries
AC_ARG_WITH([external-libraries], AS_HELP_STRING([--without-external-libraries],
[disable all features relying on external libraries]),
[
case "${withval}" in
no) no_extern="yes";;
*) no_extern="no";;
esac
], [ no_extern="no" ])
dnl Programs
echo
echo "*** Initialising build system"
echo
AM_INIT_AUTOMAKE
AC_PROG_LN_S
AC_PROG_AWK
AC_PROG_SED
AC_ARG_VAR([DATE], \
[a date program which supports '+%...' conversion specifiers])
AC_CHECK_PROGS([DATE], [date], [not found])
AC_ARG_VAR([DIFF], [a POSIX-compatible diff])
AC_CHECK_PROGS([DIFF], [diff], [])
AC_ARG_VAR([INSTALL_NAME_TOOL], [the MacOS install_name_tool utility])
AC_CHECK_PROGS([INSTALL_NAME_TOOL], [install_name_tool], [not found])
AC_ARG_VAR([JOT], [a BSD-style jot;]
[SysV-derived systems (like GNU/Linux) may find it easier to use SEQ (q.v.)])
AC_CHECK_PROGS([JOT], [jot], [not found])
AC_ARG_VAR([PRINTF], [a POSIX-compatible printf])
AC_CHECK_PROGS([PRINTF], [printf], [not found])
AC_ARG_VAR([SEQ], [a SysV-style seq;]
[BSD-derived systems (like MacOS) may find it easier to use JOT (q.v.)])
AC_CHECK_PROGS([SEQ], [seq], [not found])
GD_MSYS_SHELL
dnl verion info
AC_SUBST([DEFINE_GD_GETDATA_VERSION], ["#define GD_GETDATA_VERSION \"]dnl"
getdata_version[\""])
[DEFINE_GD_GETDATA_INT_VERSION="#define GD_GETDATA_INT_VERSION `${PRINTF} ]dnl
ifelse(`getdata_major', `0',dnl"
[%i%02i getdata_minor getdata_revision`"],dnl`
[%i%02i%02i getdata_major getdata_minor getdata_revision`"])dnl`
AC_SUBST([DEFINE_GD_GETDATA_INT_VERSION])
echo
echo "*** Checking host environment"
echo
dnl unaligned memory access
dnl user knows best
AC_ARG_ENABLE([fast-unaligned], AS_HELP_STRING([--enable-fast-unaligned],
[use fast loads and stores with non-aligned data. WARNING: Enabling this on ]
[a platform which does not support fast unaligned memory access may cause ]
[the library to silently corrupt data. [default: autodetect]]),
[
case "${enableval}" in
yes) gd_unaligned_override="yes" ;;
no) gd_unaligned_override="no" ;;
*) gd_unaligned_override="check" ;;
esac
], [gd_unaligned_override="check"])
m4_divert_once([HELP_ENABLE], AS_HELP_STRING([--disable-fast-unaligned],
[don't use fast loads and stores with non-aligned data, ]dnl'
[even if it looks like they should work. This is always ]
[safe, but can result in significant slow-down]
[ [default: autodetect]]))
AC_MSG_CHECKING([whether ${host} supports fast unaligned memory access])
if test "x$gd_unaligned_override" = "xyes"; then
gd_unaligned_ok=yes
AC_MSG_RESULT([yes (forced)])
elif test "x$gd_unaligned_override" = "xno"; then
gd_unaligned_ok=no
AC_MSG_RESULT([no (forced)])
else
case "${host}" in
i?86-*-*|powerpc*-*-*|x86_64-*-*|armv[6789]*-*-*|aarch64-*-*) gd_unaligned_ok=yes ;;
*) gd_unaligned_ok=no ;;
esac
AC_MSG_RESULT([$gd_unaligned_ok])
fi
if test "x$gd_unaligned_ok" = "xyes"; then
AC_DEFINE([UNALIGNED_ACCESS_OK], [1],
[Define to 1 if the platform supports fast unaligned memory access])
fi
dnl FDIRSEP is used in Fortran, where '\' should not be escaped.
AC_MSG_CHECKING([the directory separator])
case "${host}" in
*-*-djgpp|*-*-mingw32) GD_FDIRSEP=\\; GD_DIRSEP=\\\\ ;;
*) GD_FDIRSEP=/; GD_DIRSEP=/ ;;
esac
AC_SUBST([GD_FDIRSEP])
AC_SUBST([GD_DIRSEP])
AC_DEFINE_UNQUOTED([GD_DIRSEP], ['$GD_DIRSEP'],
[ The directory separator between path elements ])
AC_MSG_RESULT([$GD_FDIRSEP])
AC_MSG_CHECKING([for extra LDFLAGS needed on ${host}])
case "${host}" in
*-pc-mingw*)
NO_UNDEFINED=" -no-undefined"
NO_DLOPEN_TESTS=1 ;;
*-*-cygwin*)
NO_UNDEFINED=" -no-undefined -enable-auto-import"
NO_DLOPEN_TESTS=1 ;;
*) NO_DLOPEN_TESTS=0 ;;
esac
if test "x${NO_UNDEFINED}" = "x"; then
AC_MSG_RESULT([none needed])
else
AC_MSG_RESULT([${NO_UNDEFINED}])
fi
AC_MSG_CHECKING([whether the test suite can dynamically load objects])
if test "x${NO_DLOPEN_TESTS}" = "x1"; then
AC_MSG_RESULT([no])
else
AC_MSG_RESULT([yes])
fi
dnl DL library path munging for test suite
case "${host}" in
*-apple-darwin*) DL_LIBRARY_PATH="DYLD_LIBRARY_PATH" ;;
*) DL_LIBRARY_PATH="LD_LIBRARY_PATH" ;;
esac
AC_SUBST([DL_LIBRARY_PATH])
echo
echo "*** Checking C compiler characteristics"
echo
AC_PROG_CC
dnl AC_PROG_CC sets this to "no" if C99 is not supported
if test "x$ac_cv_prog_cc_c99" = "xno"; then
disable_c99="yes"
fi
if test "x$disable_c99" = "xyes"; then
DEFINE_GD_NO_C99_API="#define GD_NO_C99_API"
else
DEFINE_GD_NO_C99_API="/* #undef GD_NO_C99_API */"
fi
AC_SUBST([DEFINE_GD_NO_C99_API])
AM_PROG_AS
AC_PROG_CC_C_O
dnl as a side-effect, this runs AC_CHECK_HEADERS for:
dnl inttypes.h minix/config.h stdint.h stdio.h stdlib.h string.h
dnl strings.h sys/stat.h sys/types.h unistd.h vfork.h wchar.h
AC_USE_SYSTEM_EXTENSIONS
echo
echo "*** Checking C++ compiler characteristics"
echo
AC_PROG_CXX
AC_PROG_CXX_C_O
if test "x$make_f77bindings" != "xno"; then
echo
echo "*** Checking Fortran 77 compiler characteristics"
echo
AC_PROG_F77
AC_PROG_F77_C_O
fi
if test "x$make_f95bindings" != "xno"; then
echo
echo "*** Checking Fortran 90 compiler characteristics"
echo
AC_PROG_FC
AC_PROG_FC_C_O
# does $FC accept fortran code with .f90 extension?
AC_MSG_CHECKING([whether the Fortran 90 compiler works])
AC_LANG_PUSH([Fortran])
ac_ext="f90"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no]); FC=;])
AC_LANG_POP
fi
if test "x${cross_compiling}" != "xno"; then
echo
echo "*** Checking the build environment"
echo
if test -z "$BUILDCC"; then
if test -n "$build_alias"; then
AC_CHECK_PROGS([BUILDCC],
[${build_alias}-gcc ${build_alias}-cc ${build_alias}-cl])
fi
fi
if test -z "$BUILDCC"; then
AC_CHECK_PROGS([BUILDCC], [gcc cc cl])
fi
# bindings requiring interpreters aren't built when cross compiling
make_idlbindings=no
make_phpbindings=no
make_pybindings=no
make_perlbindings=no
make_matlabbindings=no
else
if test -z "$BUILDCC"; then
BUILDCC=$CC
fi
AC_SUBST([BUILDCC])
fi
echo
echo "*** Building libtool"
echo
LT_INIT([dlopen])
AC_SUBST([LIBTOOL_DEPS])
LT_OUTPUT
dnl libltdl stuff
if test "x${use_modules}" != "xno"; then
echo
echo "*** Configuring the dynamic loader"
echo
saved_ldflags=$LDFLAGS
saved_libs=$LIBS
if test "x$ltdl_prefix" != "x"; then
LDFLAGS="$LDFLAGS -L$ltdl_prefix/lib"
fi
AC_CHECK_LIB([ltdl],[lt_dlinit], [have_ltdl=yes], [have_ltdl=no])
LDFLAGS=$saved_ldflags
LIBS=$saved_libs
if test "x$have_ltdl" == "xno"; then
AC_MSG_ERROR([libltdl is required to build modules. Please either specify the location of the libltdl library using --with-ltdl=PREFIX or else disable the building of modules by using --disable-modules])
fi
if test "x$ltdl_prefix" != "x"; then
LIBLTDL="-L${ltdl_prefix}/lib -lltdl"
LTDLINCL="-I${ltdl_prefix}/include"
saved_cppflags=$CPPFLAGS
CPPFLAGS="${CPPFLAGS} ${LTDLINCL}"
AC_CHECK_HEADERS(ltdl.h)
CPPFLAGS=$saved_cppflags
else
AC_CHECK_HEADERS(ltdl.h)
LIBLTDL="-lltdl"
fi
dnl pthread
AC_SEARCH_LIBS([pthread_mutex_lock],[pthread],
[use_pthread=yes
AC_DEFINE([USE_PTHREAD], [],
[Define if you have a POSIX compliant thread ]
[library])
],
[use_pthread=no])
AC_CHECK_HEADERS(pthread.h)
fi
AC_SUBST([LIBLTDL])
AC_SUBST([LTDLINCL])
dnl check if we found a C++ compiler
if test "x$CXX" == "x"; then
make_cxxbindings=no
fi
dnl check if we found a Fortran 77 compiler
if test "x$F77" == "x"; then
make_f77bindings=no
make_f95bindings=no
fi
dnl check if we found a free-form Fortran compiler
if test "x$FC" == "x"; then
make_f95bindings=no
fi
dnl compiler checks
echo
echo "*** Checking additional compiler characteristics"
echo
AC_C_INLINE
AC_C_RESTRICT
GD_C_RESTRICT_ARRAY
GD_PROG_CC_ARG([GD_CC_WALL],[-Wall])
GD_PROG_CC_ARG([GD_CC_WEXTRA],[-Wextra])
if test "x$make_cxxbindings" != "xno"; then
GD_PROG_CXX_ARG([GD_CXX_WALL],[-Wall])
GD_PROG_CXX_ARG([GD_CXX_WEXTRA],[-Wextra])
fi
if test "x$make_f77bindings" != "xno"; then
GD_PROG_F77_ARG([GD_F77_WALL],[-Wall])
GD_PROG_F77_ARG([GD_F77_WEXTRA],[-Wextra])
GD_PROG_F77_ARG([GD_F77_STD_LEGACY],[-std=legacy])
GD_LANG_F77_COMPILER_INTEL
fi
dnl F77 stuff
if test "x$make_f77bindings" != "xno"; then
AC_F77_WRAPPERS
if test "x$ac_cv_f77_mangling" == "xunknown"; then
make_f77bindings=no
make_f95bindings=no
fi
fi
if test "x$make_f95bindings" != "xno"; then
GD_PROG_FC_ARG([GD_FC_WALL],[-Wall])
GD_PROG_FC_ARG([GD_FC_WEXTRA],[-Wextra])
GD_PROG_FC_ARG([GD_FC_ARG_MISMATCH],[-fallow-argument-mismatch])
GD_LANG_FC_COMPILER_INTEL
fi
AC_MSG_CHECKING([if we're linking against the Microsoft C Run-Time]) #'
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[#ifndef __MSVCRT__
choke me
#endif
]])],
[gd_msvcrt=yes],
[gd_msvcrt=no])
AC_MSG_RESULT([$gd_msvcrt])
dnl 64-bit stat() requires MSVCRT 6.1 or later. This may prohibit using
dnl GetData on Windows95. Oh no!
if test "$gd_msvcrt" = "yes"; then
AC_DEFINE([__MSVCRT_VERSION__], [0x601],
[ If compiling aginst the MSVCRT, define to 0x601 ])
fi
dnl libraries
echo
echo "*** Looking for additional libraries"
echo
AC_ARG_WITH([pcre], AS_HELP_STRING([--with-pcre=PREFIX],
[Use the Perl-Comaptible Regular Expression Library installed ]
[in PREFIX]), [pcreprefix="${withval}"], [pcreprefix=yes])
m4_divert_once([HELP_WITH], AS_HELP_STRING([--without-pcre],
[disable PCRE support]))
AC_SEARCH_LIBS([ceil],[m])
AC_SEARCH_LIBS([regcomp],[regex])
if test "x${pcreprefix}" = "xyes"; then
AC_SEARCH_LIBS([pcre_compile],[pcre])
elif test "x${pcreprefix}" != "xno"; then
saved_ldflags=$LDFLAGS
LDFLAGS="${LDFLAGS} -L${pcreprefix}/lib"
AC_CHECK_LIB([pcre], [pcre_compile], [LIBS="-lpcre ${LIBS}"],
[LDFLAGS=${saved_ldflags}])
fi
dnl headers
echo
echo "*** Looking for additional header files"
echo
AC_CHECK_HEADERS([asm/unaligned.h Availability.h byteswap.h crtdefs.h ctype.h direct.h \
errno.h features.h fcntl.h float.h inttypes.h io.h libgen.h \
libkern/OSByteOrder.h limits.h math.h regex.h signal.h stddef.h \
stdint.h sys/endian.h sys/file.h sys/param.h sys/resource.h \
sys/stat.h sys/time.h sys/types.h sys/wait.h time.h unistd.h])
if test "x$disable_c99" = "xno"; then
AC_CHECK_HEADERS([complex.h])
fi
if test "x${pcreprefix}" != "xno"; then
if test "x${pcreprefix}" != "xyes"; then
saved_cppflags=${CPPFLAGS}
CPPFLAGS="${CPPFLAGS} -I${pcreprefix}/include"
fi
AC_CHECK_HEADERS([pcre.h],,
[if test "x${pcreprefix}" != "xyes"; then
CPPFLAGS=${saved_cppflags}
fi])
fi
AC_HEADER_DIRENT
dnl types
echo
echo "*** Checking data types"
echo
AC_C_CONST
AC_C_BIGENDIAN
GD_C_FLOATORDERING
if test "x$disable_c99" = "xno"; then
AC_CHECK_TYPES([_Complex float, _Complex double])
fi
AC_TYPE_INT8_T
AC_TYPE_INT16_T
AC_TYPE_INT32_T
AC_TYPE_INT64_T
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_CHECK_TYPES([off64_t])
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_CHECK_TYPES([struct stat64, struct _stat64, struct __stat64])
AC_TYPE_UINT8_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_UNSIGNED_LONG_LONG_INT
AC_TYPE_LONG_LONG_INT
dnl integer sizes
AC_CHECK_SIZEOF([off_t])
AC_CHECK_SIZEOF([size_t])
AC_CHECK_SIZEOF([short int])
AC_CHECK_SIZEOF([int])
AC_CHECK_SIZEOF([long int])
if test "x$ac_cv_type_long_long_int" = "xyes"; then
AC_CHECK_SIZEOF([long long int])
else
ac_cv_sizeof_long_long_int=0
fi
AC_CHECK_SIZEOF([unsigned short int])
AC_CHECK_SIZEOF([unsigned int])
AC_CHECK_SIZEOF([unsigned long int])
if test "x$ac_cv_type_unsigned_long_long_int" = "xyes"; then
AC_CHECK_SIZEOF([unsigned long long int])
else
ac_cv_sizeof_unsigned_long_long_int=0
fi
AC_CHECK_SIZEOF([void *])
dnl C89 API types
if test $ac_cv_sizeof_int -eq 2; then
gd_int16_t="int"
elif test $ac_cv_sizeof_short_int -eq 2; then
gd_int16_t="short int"
elif test $ac_cv_sizeof_long_int -eq 2; then
gd_int16_t="long int"
elif test $ac_cv_sizeof_long_long_int -eq 2; then
gd_int16_t="long long int"
fi
if test $ac_cv_sizeof_unsigned_int -eq 2; then
gd_uint16_t="unsigned int"
elif test $ac_cv_sizeof_unsigned_short_int -eq 2; then
gd_uint16_t="unsigned short int"
elif test $ac_cv_sizeof_unsigned_long_int -eq 2; then
gd_uint16_t="unsigned long int"
elif test $ac_cv_sizeof_unsigned_long_long_int -eq 2; then
gd_uint16_t="unsigned long long int"
fi
if test $ac_cv_sizeof_int -eq 8; then
gd_int64_t="int"
elif test $ac_cv_sizeof_short_int -eq 8; then
gd_int64_t="short int"
elif test $ac_cv_sizeof_long_int -eq 8; then
gd_int64_t="long int"
elif test $ac_cv_sizeof_long_long_int -eq 8; then
gd_int64_t="long long int"
fi
if test $ac_cv_sizeof_unsigned_int -eq 8; then
gd_uint64_t="unsigned int"
elif test $ac_cv_sizeof_unsigned_short_int -eq 8; then
gd_uint64_t="unsigned short int"
elif test $ac_cv_sizeof_unsigned_long_int -eq 8; then
gd_uint64_t="unsigned long int"
elif test $ac_cv_sizeof_unsigned_long_long_int -eq 8; then
gd_uint64_t="unsigned long long int"
fi
if test "x$gd_cv_type_off64_t" = "xyes"; then
dnl Assume we have the entire LFS defined transitional API
AC_DEFINE([HAVE_OFF64_T], [1],
[ Define to 1 if the system has the type `off64_t'. ]) dnl `
fi
DEFINE_gd_int16_t="# define gd_int16_t $gd_int16_t";
DEFINE_gd_uint16_t="# define gd_uint16_t $gd_uint16_t";
DEFINE_gd_int64_t="# define gd_int64_t $gd_int64_t";
DEFINE_gd_uint64_t="# define gd_uint64_t $gd_uint64_t";
AC_SUBST([DEFINE_gd_int16_t])
AC_SUBST([DEFINE_gd_uint16_t])
AC_SUBST([DEFINE_gd_int64_t])
AC_SUBST([DEFINE_gd_uint64_t])
dnl library functions
echo
echo "*** Looking for additional library functions"
echo
AC_CHECK_FUNCS([basename _chsize _chsize_s _commit dup2 fchmod _fdopen \
fdopendir _finite fseeko fseeko64 _fstat fstat64 \
_fstat64 fstatat fstatat64 fsync ftello ftello64 ftruncate \
ftruncate64 getcwd _getcwd getdelim gmtime_r kill isnan _isnan \
lseek64 _lseeki64 lstat lstat64 _mkdir nan _open openat \
pcre_compile pipe _read readdir_r readlink regcomp \
renameat _rmdir setrlimit snprintf _snprintf stat64 _stat64 \
_strtoi64 strtoll strtoq _strtoui64 strtoull strtouq symlink \
_unlink unlinkat _write])
if test "x$disable_c99" = "xno"; then
AC_CHECK_FUNCS([cabs])
fi
AC_FUNC_STRERROR_R
AC_FUNC_FORK
AC_MSG_CHECKING([whether mkdir accepts two arguments])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#if HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#if HAVE_IO_H
#include <io.h>
#endif
], [[
#ifdef HAVE__MKDIR
_mkdir("x", 00777);
#else
mkdir("x", 00777);
#endif
]])],
[gd_2arg_mkdir=yes],
[gd_2arg_mkdir=no])
AC_MSG_RESULT([$gd_2arg_mkdir])
if test $gd_2arg_mkdir = "no"; then
AC_DEFINE([MKDIR_NO_MODE], [1],
[ Define to 1 if the `mkdir' function takes only one argument])
fi dnl`
AC_CHECK_DECLS([isfinite],,,
[
#ifdef HAVE_MATH_H
#include <math.h>
#endif
])
AC_CHECK_DECLS([_strtoi64, _strtoui64],,,[#include <stdlib.h>])
AC_CHECK_DECLS([bswap16, bswap_16, OSSwapInt16],,,
[
#ifdef HAVE_BYTESWAP_H
#include <byteswap.h>
#endif
#ifdef HAVE_SYS_ENDIAN_H
#include <sys/endian.h>
#endif
#ifdef HAVE_LIBKERN_OSBYTEORDER_H
#include <libkern/OSByteOrder.h>
#endif
])
AC_CHECK_DECLS([get_unaligned, put_unaligned],,,
[
#ifdef HAVE_ASM_UNALIGNED_H
#include <asm/unaligned.h>
#endif
])
dnl The Fortran build needs a non-truncating sed
if test "x$make_f77bindings" = "xyes"; then
echo
echo "*** Configuring Fortran bindings"
echo
AC_PROG_SED
if test "x${SED}" = "x"; then
make_f77bindings=no
make_f95bindings=no
fi
fi
dnl idl
if test "x$make_idlbindings" = "xyes"; then
echo
echo "*** Configuring interactive data language (IDL) bindings"
echo
AC_MSG_CHECKING([whether C99 is supported])
if test "x$disable_c99" = "xno"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
make_idlbindings=no
fi
fi
if test "x$make_idlbindings" = "xyes"; then
GD_IDL([5.5])
if test "x$have_idl" = "xno"; then
make_idlbindings="no"
fi
fi
dnl matlab
if test "x$make_matlabbindings" = "xyes"; then
echo
echo "*** Configuring MATLAB bindings"
echo
GD_MATLAB
if test "x$have_matlab" = "xno"; then
make_matlabbindings=no
fi
fi
dnl perl
if test "x$make_perlbindings" = "xyes"; then
echo
echo "*** Configuring Perl bindings"
echo
AC_PROG_SED
if test "x${SED}" = "x"; then
make_perlbindings=no
else
GD_PERL
if test "x$have_perl" = "xno"; then
make_perlbindings=no
fi
fi
fi
dnl php
if test "x$make_phpbindings" = "xyes"; then
echo
echo "*** Configuring PHP bindings"
echo
AC_MSG_CHECKING([whether C99 is supported])
if test "x$disable_c99" = "xno"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
make_phpbindings=no
fi
fi
if test "x$make_phpbindings" = "xyes"; then
GD_PHP
if test "x$have_php" = "xno"; then
make_phpbindings=no
fi
fi
dnl python
if test "x$make_pybindings" = "xyes"; then
echo
echo "*** Configuring Python bindings"
echo
GD_PYTHON([2.4],[3.2])
have_numpy="no (required for Python bindings)"
if test "x$have_python" = "xno"; then
make_pybindings="no"
else
dnl Check for optional components
saved_LDFLAGS=${LDFLAGS}
LDFLAGS="${PYTHON_LDFLAGS} ${LDFLAGS}"
AC_CHECK_FUNCS([PyCapsule_New PyErr_NewExceptionWithDoc])
LDFLAGS=${saved_LDFLAGS}
AC_MSG_CHECKING([for NumPy])